IPv4 prefix

192.154.18.0/23

IP Prefix (CIDR): 192.154.18.0/23
Subnet Mask: 255.255.254.0
Address Count: 512
IP Range: 192.154.18.0 - 192.154.19.255
Subnet calculator: Calculate subnet details

Registered Owners

Registration 1 of 2

Owner: Internet Assigned Numbers Authority
Handle: IANA1-AP
Country: Australia (AU)
Address: see http://www.iana.org.
Registry: APNIC
Registered Prefix: 192.0.0.0/8 (192.0.0.0 - 192.255.255.255)
Delegated Prefix: 192.160.161.0/24 (192.160.161.0 - 192.160.161.255)

Registration 2 of 2

Handle: IRT-OSINET-COMMS-SG
Country: Singapore (SG)
Address: 1 Tai Seng Avenue,
Registry: APNIC
Registered Prefix: 192.154.18.0/28 (192.154.18.0 - 192.154.18.15)
Delegated Prefix: 192.154.18.0/23 (192.154.18.0 - 192.154.19.255)

BGP Announcements

Announced Prefix	Relationship	Origin ASN	Description	Country	First Address	Last Address
192.154.18.0/23	Exact	AS4628	PACIFIC INTERNET (S) PTE. LTD.	Singapore (SG)	192.154.18.0	192.154.19.255